Renewable energy accounted for 40 percent of Finland's total energy consumption last year, according to preliminary data from Statistics Finland.
For the first time in since the start of data gathering, that figure was higher than the total consumption of fossil fuels and peat which fell to 37 percent.
Overall, energy consumption was down by six percent last year from 2019 levels, Total electricity consumption also fell by six percent to a 20-year low of 81 terawatt-hours.
The decline in total consumption was reflected in net electricity imports, which decreased by a quarter, the number-crunching agency reported.
Hydro and wind power still low
The single most-used energy source in Finland 2020 was wood-based fuels, which accounted for 28 percent of total energy consumption.
Oil and nuclear energy each accounted for about one-fifth of total energy consumption.
Consumption of both hydroelectric and wind power increased by about 30 percent from the previous year. In total, however, they accounted for just over six percent of Finland's total consumption.
In relative terms, the energy consumption of peat and coal decreased the most, both of which fell by about a quarter from the previous year. The use of peat, which has become a controversial issue in domestic politics, fell to three percent.
Consumption of fossil oil fell by six percent, which, according to Statistics Finland, was due to a decrease in the consumption in transport caused by the coronavirus epidemic.
Various energy products worth 6.7 billion euros were imported to Finland last, over a third less than in 2019. Just over half of energy product imports came from Russia.